Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

drainpower.nl

Home - dRAIN Power

Page Load Speed

6 sec in total

First Response

2.3 sec

Resources Loaded

3.6 sec

Page Rendered

126 ms

drainpower.nl screenshot

About Website

Visit drainpower.nl now to see the best up-to-date DRAIN Power content and also check out these interesting facts you probably never knew about drainpower.nl

dRAIN Power is een innovatief project gericht op het maken van groene stroom. Dit doormiddel van een verbeterde regenpijp. Lees meer over dit project op deze site.

Visit drainpower.nl

Key Findings

We analyzed Drainpower.nl page load time and found that the first response time was 2.3 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

drainpower.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

drainpower.nl

2302 ms

dp10.css

525 ms

datum.js

522 ms

home.png

761 ms

algemeen.png

850 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Drainpower.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Drainpower.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.2 kB (37%)

Content Size

236.9 kB

After Optimization

148.7 kB

In fact, the total size of Drainpower.nl main page is 236.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 230.0 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.3 kB

  • Original 3.7 kB
  • After minification 3.6 kB
  • After compression 1.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.3 kB or 63% of the original size.

Image Optimization

-36%

Potential reduce by 83.4 kB

  • Original 230.0 kB
  • After minification 146.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, DRAIN Power needs image optimization as it can save up to 83.4 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 52 B
  • After minification 52 B
  • After compression 52 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-77%

Potential reduce by 2.4 kB

  • Original 3.1 kB
  • After minification 2.5 kB
  • After compression 710 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Drainpower.nl needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DRAIN Power. According to our analytics all requests are already optimized.

Accessibility Review

drainpower.nl accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

drainpower.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

drainpower.nl SEO score

100

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drainpower.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Drainpower.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of DRAIN Power. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: